Function Copy

core/data/deep/copy.go:48–54

Copy recursively copies all fields, map and slice elements from the value src to the pointer dst.

(dst, src interface{})

// Copy recursively copies all fields, map and slice elements from the value
// src to the pointer dst.
func Copy(dst, src interface{}) error {
	d, s := reflect.ValueOf(dst), reflect.ValueOf(src)
	if d.Kind() != reflect.Ptr {
		return fmt.Errorf("dst should be a pointer, got %T", dst)
	}
	return reflectCopy(d.Elem(), s, "val", seenMap{})
}

func reflectCopy(d, s reflect.Value, path string, seen seenMap) error {
	//	fmt.Printf("%v: d:%v (%v), s:%v (%v) %+v\n", path, d.Type(), d.Kind(), s.Type(), s.Kind(), s.Interface())